Granted Patent
Utility
US 4,846,864 · App. 07/195,566
Method and apparatus for producing hollow glass filaments
Inventor:
Larry J. Huey
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: May 18, 1988
Inventor
Larry J. Huey
Assignee (at issue)
Owens-Corning Fiberglas Corp.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.